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#pragma once
#include "../UiApplication.h"
#include "Base.h"
#include <cru/base/platform/unix/EventLoop.h>
#include <cru/platform/graphics/cairo/CairoGraphicsFactory.h>
#include <xcb/xcb.h>
#include <functional>
#include <string>
#include <unordered_map>
namespace cru::platform::gui::xcb {
class XcbWindow;
class XcbCursorManager;
class XcbUiApplication : public XcbResource, public virtual IUiApplication {
friend XcbWindow;
public:
explicit XcbUiApplication(
graphics::cairo::CairoGraphicsFactory* cairo_factory = nullptr);
~XcbUiApplication();
public:
graphics::cairo::CairoGraphicsFactory* GetCairoFactory();
void CheckXcbConnectionError();
xcb_connection_t* GetXcbConnection();
void XcbFlush();
// This API is weird, but before we have correct screen API, we still use it.
xcb_screen_t* GetFirstXcbScreen();
xcb_atom_t GetOrCreateXcbAtom(std::string name);
#define CRU_XCB_UI_APPLICATION_DEFINE_XCB_ATOM(name) \
xcb_atom_t GetXcbAtom##name() { return GetOrCreateXcbAtom(#name); }
CRU_XCB_UI_APPLICATION_DEFINE_XCB_ATOM(WM_NAME)
CRU_XCB_UI_APPLICATION_DEFINE_XCB_ATOM(WM_STATE)
CRU_XCB_UI_APPLICATION_DEFINE_XCB_ATOM(_NET_WM_NAME)
CRU_XCB_UI_APPLICATION_DEFINE_XCB_ATOM(_NET_WM_WINDOW_TYPE)
CRU_XCB_UI_APPLICATION_DEFINE_XCB_ATOM(_NET_WM_WINDOW_TYPE_NORMAL)
CRU_XCB_UI_APPLICATION_DEFINE_XCB_ATOM(_NET_WM_WINDOW_TYPE_UTILITY)
CRU_XCB_UI_APPLICATION_DEFINE_XCB_ATOM(_NET_FRAME_EXTENTS)
CRU_XCB_UI_APPLICATION_DEFINE_XCB_ATOM(WM_PROTOCOLS)
CRU_XCB_UI_APPLICATION_DEFINE_XCB_ATOM(WM_DELETE_WINDOW)
#undef CRU_XCB_UI_APPLICATION_DEFINE_XCB_ATOM
public:
int Run() override;
void RequestQuit(int quit_code) override;
void AddOnQuitHandler(std::function<void()> handler) override;
bool IsQuitOnAllWindowClosed() override;
void SetQuitOnAllWindowClosed(bool quit_on_all_window_closed) override;
long long SetImmediate(std::function<void()> action) override;
long long SetTimeout(std::chrono::milliseconds milliseconds,
std::function<void()> action) override;
long long SetInterval(std::chrono::milliseconds milliseconds,
std::function<void()> action) override;
void CancelTimer(long long id) override;
std::vector<INativeWindow*> GetAllWindow() override;
INativeWindow* CreateWindow() override;
cru::platform::graphics::IGraphicsFactory* GetGraphicsFactory() override;
ICursorManager* GetCursorManager() override;
IClipboard* GetClipboard() override;
// If return nullptr, it means the menu is not supported.
IMenu* GetApplicationMenu() override;
private:
void HandleXEvents();
void RegisterWindow(XcbWindow* window);
void UnregisterWindow(XcbWindow* window);
private:
graphics::cairo::CairoGraphicsFactory* cairo_factory_;
bool release_cairo_factory_;
xcb_connection_t* xcb_connection_;
xcb_screen_t* screen_;
std::unordered_map<std::string, xcb_atom_t> xcb_atom_;
cru::platform::unix::UnixEventLoop event_loop_;
std::vector<std::function<void()>> quit_handlers_;
bool is_quit_on_all_window_closed_;
std::vector<XcbWindow*> windows_;
XcbCursorManager* cursor_manager_;
};
} // namespace cru::platform::gui::xcb
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